python - tensorflow trace doesn't work -

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i'm new tensorflow. have tensor x follows:

>>> x.eval() array([[1, 2, 3],        [4, 5, 6],        [7, 8, 9]], dtype=int32)

i want calculate trace of tensor, use tf.trace, throws error:

>>> tf.trace(x) traceback (most recent call last):   file "<stdin>", line 1, in <module> attributeerror: 'module' object has no attribute 'trace'

how can fix it? many thanks

works me

import tensorflow tf x = tf.constant([[1, 2, 3],[4, 5, 6],[7, 8, 9]], dtype=tf.int32) sess = tf.interactivesession() x.eval() tf.trace(x).eval()

this prints

[[1 2 3]  [4 5 6]  [7 8 9]] 15

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